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Mesoscale Discussion 229
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   Mesoscale Discussion 0229
   NWS Storm Prediction Center Norman OK
   1009 PM CST Tue Feb 28 2017

   Areas affected...Southeast Missouri...Southern Illinois...Southern

   Concerning...Tornado Watch 46...

   Valid 010409Z - 010515Z

   The severe weather threat for Tornado Watch 46 continues.

   SUMMARY...Strong to violent tornadoes may exist along a corridor
   from southeast Missouri into southern Indiana this evening.

   DISCUSSION...Latest radar imagery indicates a possible violent
   tornado now ongoing near the Illinois/Indiana border now over White
   county Illinois, moving into Posey county Indiana. Other cells were
   also redeveloping to the southwest.  Given extreme shear parameters
   and favorable instability in place, this corridor could be active
   for several hours.

   ..Jewell.. 03/01/2017


   LAT...LON   37559036 38988685 38788620 38338618 37908760 37268921
               37178984 37219016 37559036 

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